Litter box for an animal



FIG. 1 is a frontal rightward downward prospective view a litter box for an animal according to our invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right elevational view thereof, a left elevational view thereof being a mirror image of FIG. 3;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

We claim the ornamental design for a litter box for an animal, as shown and described. 